CN217350346U

CN217350346U - Counterweight frame

Info

Publication number: CN217350346U
Application number: CN202221169389.9U
Authority: CN
Inventors: 应益军; 赵高杰; 王幸龙
Original assignee: Ningbo Hongteng Precision Manufacturing Co ltd
Current assignee: Ningbo Hongteng Precision Manufacturing Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-09-02
Anticipated expiration: 2032-05-16

Abstract

The utility model relates to a counterweight frame, which comprises an upper beam assembly, a lower beam and two side beams which are symmetrically distributed, wherein the upper beam assembly is arranged above the two side beams, the lower beam is arranged below the two side beams, one side of each side beam is provided with a groove-shaped opening which vertically penetrates along the side beam, the upper beam assembly comprises a front upper beam plate and a rear upper beam plate, the front upper beam plate is arranged on the front side wall arranged on the side beam through a bolt assembly, and the rear upper beam plate is arranged on the rear side wall arranged on the side beam through a bolt assembly; the cross section of the lower beam is U-shaped, and two side walls of the lower beam are respectively arranged on the front side wall and the rear side wall of the side beam through bolt assemblies; the side beam is provided with an entrance for putting the counterweight blocks into the counterweight frame groove, and the entrance is arranged on the front side wall and/or the rear side wall; the utility model has the advantages of convenient installation and transportation, convenient replacement of the whole machine or the local part during maintenance and light weight.

Description

Counterweight frame

Technical Field

The utility model belongs to the technical field of the elevator spare part, especially, relate to a counterweight frame.

Background

The counterweight is a component of the elevator traction system and functions to reduce the power of the traction motor and the torque on the traction sheave and the worm gear. However, the counterweight block is installed in the counterweight frame, the counterweight frame is composed of an upper beam, a lower beam and side beams, the beams adopted by the existing counterweight frame are heavy structural steel, such as I-steel, H-shaped steel, channel steel, angle steel, square tube heat and the like, and in order to ensure the strength of the counterweight frame, the structural steel is generally thick, so that the transportation and installation are inconvenient, and the cost is high; the upper beam and the lower beam of the counterweight frame are structurally a whole flat plate and are fixed with the side beams in a welding mode, so that the defects of inconvenient installation, serious environment pollution on an installation site, time and labor consumption, poor product consistency and cold joint and false welding exist; each beam in the counterweight frame is fixed by welding, the counterweight frame is an integral structure and is an irreversible and locally replaceable structure, and once local defects are found in annual inspection and maintenance, the counterweight frame needs to be replaced integrally and the counterweight frame needs to be replaced completely; the replacement cost is high, the period is long, the device is not flexible, inconvenient and heavy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art existence, and provide a complete machine or local change convenience, lightweight to heavy frame when installation and transportation are convenient, maintenance.

The utility model aims at completing the technical scheme that the counterweight frame comprises an upper beam assembly, a lower beam and two side beams which are symmetrically distributed, wherein the upper beam assembly is arranged above the two side beams, the lower beam is arranged below the two side beams, one side of each side beam is provided with a groove-shaped opening which vertically penetrates along the side beam, the upper beam assembly comprises a front upper beam plate and a rear upper beam plate, the front upper beam plate is arranged on a front side wall arranged on the side beam through a bolt assembly, and the rear upper beam plate is arranged on a rear side wall arranged on the side beam through a bolt assembly; the cross section of the lower beam is U-shaped, and two side walls of the lower beam are respectively arranged on the front side wall and the rear side wall of the side beam through bolt assemblies; and the front side wall and/or the rear side wall of the side beam are/is provided with a placing opening for placing the counterweight block into the counterweight frame groove.

The utility model has the advantages that: compared with the prior art, the lower beam and the side beam which are connected through the front upper beam plate, the rear upper beam plate and the U-shaped lower beam are fixed in a bolt assembly connection mode, so that the mounting and the transportation are more convenient, the whole counterweight frame is lighter, the replacement and the disassembly are simple and convenient, the modular replacement does not need to be integrally replaced, the replacement cost is low, the period is short, and the flexibility is strong.

Preferably, the side beam further comprises a beam main body, wherein the beam main body is provided with a raised reinforcing rib, and the reinforcing rib is arranged in a penetrating manner along the length direction of the beam main body; the rigidity of bending resistance and torsion resistance of the whole side beam is more outstanding, the material can be thinned, and the cost is saved and the competitiveness is better.

Preferably, the front side wall and the rear side wall are formed by integrally bending with the beam main body; therefore, the processing and forming are convenient, and the strength is better.

Preferably, the front upper beam plate and the rear upper beam plate are respectively provided with a flanging which is integrally bent and formed, and the flanging is provided with a mounting hole for mounting the guide shoe mounting plate; through setting up the fashioned turn-ups of integrative bending, not only intensity is strengthened, but also can play the effect of installation guide shoe mounting panel.

Preferably, the front side walls of the two side beams are provided with placing openings, the two placing openings are symmetrically distributed along the center of the counterweight frame, and the placing openings are positioned above the side beams; a sealing plate is arranged on the front side wall and is positioned at the inlet; the counterweight blocks can be conveniently placed on the inner sides of the two side beams, so that the mounting efficiency is higher.

Preferably, the rear side walls of the two side beams are provided with placing openings, the two placing openings are symmetrically distributed along the center of the counterweight frame, and the placing openings are positioned above the side beams; a sealing plate is arranged on the rear side wall and is positioned at the inlet; the counterweight blocks can be conveniently placed on the inner sides of the two side beams, so that the mounting efficiency is higher.

Preferably, an accommodating opening is formed in the front side wall of one of the two side beams, an accommodating opening is formed in the rear side wall of the other side beam, and the accommodating opening is located above the side beams; sealing plates are arranged on the front side wall and the rear side wall, and the sealing plates are positioned at the inlet; the counterweight blocks can be conveniently placed on the inner sides of the two side beams, the stress of the two side beams is more uniform, and the safety performance of the whole counterweight frame is greatly improved.

Preferably, the upper beam assembly further comprises a connecting piece, connecting edges are arranged on two sides of the connecting piece, and the connecting edges and the front upper beam plate and the rear upper beam plate are fixed through bolt assemblies; make the structural strength of upper beam subassembly better like this to promote the stability of whole heavy frame in the use greatly.

Preferably, a reinforcing plate is fixed between the front side wall and the rear side wall of the lower beam through a bolt assembly; make the structural strength between the both sides wall of underbeam better like this to promote the stability of whole heavy frame in the use greatly.

Preferably, the side beam is provided with a counterweight block pressing plate and a bracket for placing a counterweight block, and the bracket is positioned below the counterweight block pressing plate; the placement and fixation of the counterweight blocks on the counterweight frame are facilitated, and the stability of the counterweight blocks after placement is better through the position distribution relationship between the counterweight block pressing plate and the support.

Drawings

Fig. 1 is a schematic diagram of a counterweight frame structure of the present invention.

Fig. 2 is a schematic diagram of a counterweight frame structure of the present invention.

Fig. 3 is a schematic structural diagram of a counterweight frame with reinforcing ribs according to the present invention.

Fig. 4 is a schematic structural diagram of a counterweight frame with reinforcing ribs according to the present invention.

Fig. 5 is an enlarged schematic view of a portion a of fig. 4.

The reference numbers in the figures are respectively: 1. an upper beam assembly; 2. a lower beam; 3. a side beam; 4. a guide shoe mounting plate; 5. closing plates; 6. a reinforcing plate; 7. pressing the heavy block; 8. a support; 11. a front upper beam panel; 12. a rear upper beam plate; 13. flanging; 31. a front side wall; 32. a rear sidewall; 33. placing in an inlet; 34. a beam body; 35. reinforcing ribs; 13-1, mounting holes; 14-1, connecting edges.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings: as shown in fig. 1 to 5, the present invention comprises an upper beam assembly 1, a lower beam 2 and two symmetrically distributed side beams 3, wherein the upper beam assembly 1 is installed above the two side beams 3, the lower beam 2 is installed below the two side beams 3, one side of the side beam 3 is provided with a groove-shaped opening which vertically penetrates along the side beams, for example, the U-shaped opening, i.e. the cross section of the side beam 3, is U-shaped, and the groove-shaped opening is defined by a beam main body 34, a front side wall 31 and a rear side wall 32, and is used for placing and limiting the counterweight blocks; the upper beam assembly 1 comprises a front upper beam plate 11 and a rear upper beam plate 12, wherein the front upper beam plate 11 is arranged on a front side wall 31 arranged on the side beam 3 through a bolt assembly, and the rear upper beam plate 12 is arranged on a rear side wall 32 arranged on the side beam 3 through a bolt assembly; the cross section of the lower beam 2 is U-shaped, and two side walls of the lower beam 2 are respectively arranged on a front side wall 31 and a rear side wall 32 of the side beam 3 through bolt assemblies; the front side wall 31 and/or the rear side wall 32 of the side beam 3 are/is provided with an entrance 33 for putting the weight into the groove of the counterweight frame, and the advantages are as follows:

1. the upper beam assembly 1, the lower beam 2 and the side beams 3 are all made of carbon structural steel plates, so that the standardization of materials is realized, the standardization and batch production are facilitated, the processing cost is lower, and the products are lighter; the adjustable range of the heavy frame is not limited by the national grade of materials, the adjustable range is wider, the universality is better, the height can reach 6000mm to the maximum extent, the traction auxiliary capacity of all tractor hosts can be completely met, and the traction force and the performance of a balance lift car of the elevator are further fully exerted and improved;

2. the upper beam assembly 1, the lower beam 2 and the side beam 3 are connected through the bolt assemblies, so that the structure is simpler and more convenient, a human body product is not damaged, the bolt connection has no welding thermal deformation and stress concentration, the subsequent production and installation and use are facilitated, all connecting hole position pins in all directions are integrally guaranteed by equipment and a mould, the consistency is very strong, and the environment-friendly and light-weight large-scale production can be completely realized;

3. the existing counterweight housing can adopt a modularized stacking mode, a self frame is used as a body support, and then the periphery of the counterweight housing can be filled with soft fillers such as foam, sponge and the like, so that collision, appearance deformation and scratching and the like are prevented; the whole counterweight housing is placed in a paper box with fixed size, so that the packaging volume can be effectively reduced, regular stacking can be realized, and the cost can be further reduced; in addition, the quality of the product is controllable.

As shown in fig. 3 and 4, the side beam 3 further includes a beam main body 34, the beam main body 34 is provided with a raised reinforcing rib 35, and the reinforcing rib 35 is arranged in a penetrating manner along the length direction of the beam main body 34; because current curb girder all adopts the channel-section steel of comparison heaviness, thereby make the wall thickness of channel-section steel thicker when satisfying intensity, and curb girder 3 adopts carbon element structure steel sheet, in order to reach lightweight purpose to guarantee the intensity of structure simultaneously, be equipped with twice strengthening rib 35 at roof beam main part 34, and be parallel distribution, satisfy the demand of intensity.

The front side wall 31, the rear side wall 32 and the beam main body 34 are integrally bent and formed; therefore, the material can be formed by the integral forming and stretching process of the progressive die with the material, the energy is saved, the consumption is reduced, and the production process is simple; without environmental pollution and complication of production process caused by welding, milling, drilling and wire cutting.

The front upper beam plate 11 and the rear upper beam plate 12 are respectively provided with a flanging 13 which is integrally bent and formed, and the flanging 13 and the beam plates 12 are vertically distributed, so that if the strength of the flanging 13 is not enough, a reinforcing edge can be integrally bent and formed on the basis of the flanging 13; the flanging 13 is provided with a mounting hole 13-1 for mounting the guide shoe mounting plate 4, and the guide shoe mounting plate 4 is also provided with a through hole, so that the mounting and fixing of the bolt assembly can be realized between the guide shoe mounting plate 4 and the front and rear upper beam plates.

The front side walls 31 of the two side beams 3 are respectively provided with a placing inlet 33, the two placing inlets 33 are symmetrically distributed along the center of the counterweight frame, and the placing inlets 33 are positioned above the side beams 3; a closure plate 5 is mounted on the front side wall 31, and the closure plate 5 is located at the access opening 33.

The rear side walls 32 of the two side beams 3 are provided with two placing openings 33, the two placing openings 33 are symmetrically distributed along the center of the counterweight frame, and the placing openings 33 are positioned above the side beams 3; a sealing plate 5 is mounted on the rear side wall 32, and the sealing plate 5 is located at the access opening 33.

An entrance 33 is arranged on the front side wall 31 of one side beam 3 of the two side beams 3, an entrance 33 is arranged on the rear side wall 32 of the other side beam 3, and the entrance 33 is positioned above the side beam 3; the front side wall 31 and the rear side wall 32 are both provided with a sealing plate 5, and the sealing plate 5 is positioned at the placing opening 33.

The access openings 33 are cut out inwardly along the edge of the front 31 or rear 32 side walls of the side members 3.

The upper beam assembly 1 further comprises a connecting piece 14, connecting edges 14-1 are arranged on two sides of the connecting piece 14, and the connecting edges 14-1 are fixed with the front upper beam plate 11 and the rear upper beam plate 12 through bolt assemblies. The connecting pieces 14 are arranged in two numbers and are symmetrically distributed along the center of the counterweight frame, and the plate surfaces of the connecting pieces 14 are oppositely distributed, so that the stress between the front upper beam plate 11 and the rear upper beam plate 12 is more stable by arranging the connecting pieces 14.

Be fixed with reinforcing plate 6 through bolt assembly between the front and back lateral wall of underbeam 2, reinforcing plate 6 is provided with two at least and is equidistant distribution along the length direction of underbeam 2, and the face of reinforcing plate 6 and the last plane parallel and level of underbeam 2 moreover for the atress between the both sides wall of the underbeam 2 that the cross section is the U-shaped is more stable.

The side beam 3 is provided with a counterweight pressing plate 7 and a support 8 for placing a counterweight, and the support 8 is positioned below the counterweight pressing plate 7.

The present invention is not limited to the above embodiments, and any change is made on the shape or material composition, and all the structural designs provided by the present invention are all the deformation of the present invention, which should be considered within the protection scope of the present invention.

Claims

1. The utility model provides a to heavy frame, includes upper beam subassembly (1), underbeam (2) and two curb girder (3) that are the symmetric distribution, upper beam subassembly (1) is installed two the top of curb girder (3), underbeam (2) are installed two the below of curb girder (3), its characterized in that: one side of the side beam (3) is provided with a groove-shaped opening which penetrates through the side beam from top to bottom, the upper beam assembly (1) comprises a front upper beam plate (11) and a rear upper beam plate (12), the front upper beam plate (11) is installed on a front side wall (31) arranged on the side beam (3) through a bolt assembly, and the rear upper beam plate (12) is installed on a rear side wall (32) arranged on the side beam (3) through a bolt assembly; the cross section of the lower beam (2) is U-shaped, and the front side wall and the rear side wall of the lower beam (2) are respectively installed on the front side wall (31) and the rear side wall (32) of the side beam (3) through bolt assemblies; and the front side wall (31) and/or the rear side wall (32) of the side beam (3) are/is provided with an entrance (33) for putting the counterweight blocks into the groove of the counterweight frame.

2. The counterweight frame of claim 1, wherein: the side beam (3) further comprises a beam main body (34), wherein the beam main body (34) is provided with a raised reinforcing rib (35), and the reinforcing rib (35) is arranged in a penetrating manner along the length direction of the beam main body (34).

3. The counterweight frame of claim 2, wherein: the front side wall (31), the rear side wall (32) and the beam main body (34) are formed by integral bending.

4. The counterweight frame of claim 3, wherein: the front upper beam plate (11) and the rear upper beam plate (12) are respectively provided with a flanging (13) which is integrally bent and formed, and the flanging (13) is provided with a mounting hole (13-1) for mounting the guide shoe mounting plate (4).

5. The counterweight frame of claim 1, wherein: the front side walls (31) of the two side beams (3) are respectively provided with a placing opening (33), the two placing openings (33) are symmetrically distributed along the center of a counterweight frame, and the placing openings (33) are positioned above the side beams (3); install shrouding (5) on preceding lateral wall (31), just shrouding (5) are located put into mouth (33) department.

6. The counterweight frame of claim 1, wherein: the rear side walls (32) of the two side beams (3) are respectively provided with a placing opening (33), the two placing openings (33) are symmetrically distributed along the center of the counterweight frame, and the placing openings (33) are positioned above the side beams (3); a sealing plate (5) is mounted on the rear side wall (32), and the sealing plate (5) is located at the placing opening (33).

7. The counterweight frame of claim 1, wherein: an entrance (33) is arranged on the front side wall (31) of one side beam (3) of the two side beams (3), an entrance (33) is arranged on the rear side wall (32) of the other side beam (3), and the entrance (33) is positioned above the side beam (3); all install shrouding (5) on preceding lateral wall (31) with back lateral wall (32), just shrouding (5) are located put into mouth (33) department.

8. The counterweight frame of claim 1, wherein: the upper beam assembly (1) further comprises a connecting piece (14), connecting edges (14-1) are arranged on two sides of the connecting piece (14), and the connecting edges (14-1) are fixed with the front upper beam plate (11) and the rear upper beam plate (12) through bolt assemblies.

9. The counterweight frame of claim 1, wherein: and a reinforcing plate (6) is fixed between the front side wall and the rear side wall of the lower beam (2) through a bolt assembly.

10. The counterweight frame of any one of claims 1-9, further comprising: the side beam (3) is provided with a counterweight block pressing plate (7) and a support (8) for placing a counterweight block, and the support (8) is positioned below the counterweight block pressing plate (7).